// 在全局样式中添加
.ant-card {
    .ant-card-head {
      border-bottom: none;
    }
    
    .ant-form-item {
      margin-bottom: 16px;
    }
    
    h3 {
      margin: 24px 0 16px 0;
      font-size: 16px;
      font-weight: 500;
      color: rgba(0, 0, 0, 0.85);
      
      &:first-child {
        margin-top: 0;
      }
    }
  }